Middle Ordovician bivalves from Spain and their phyletic and palaeogeographic significance

MLA

Babin, Claude, and Juan-Carlos Gutiérrez-Marco. Middle Ordovician Bivalves from Spain and Their Phyletic and Palaeogeographic Significance. Jan. 1991, pp. 109–47. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsbhl&AN=edsbhl.part.174050&authtype=sso&custid=ns315887.

APA

Babin, C., & Gutiérrez-Marco, J.-C. (1991). Middle Ordovician bivalves from Spain and their phyletic and palaeogeographic significance. 34, 109–147.

Chicago

Babin, Claude, and Juan-Carlos Gutiérrez-Marco. 1991. “Middle Ordovician Bivalves from Spain and Their Phyletic and Palaeogeographic Significance,” Palaeontology, 34, 34 (January): 109–47. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsbhl&AN=edsbhl.part.174050&authtype=sso&custid=ns315887.